Franz A. Fellner

Prof. Dr. Franz A. Fellner

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Research Focus & Metrics

Academic Career Length

26Years (2001-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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1 March 2019 in Annals of Anatomy - Anatomischer Anzeiger
Verified
Journal Article
Closed access
JBJohannes Binder
Johannes Binder
CKChristian Krautz
Christian Krautz
KEKlaus Engel
Klaus Engel
RGRobert Grützmann
Robert Grützmann
FFFranz A. Fellner
Franz A. Fellner
MSMichael Scholz
Michael Scholz

15 December 2022 in Anatomical Sciences Education
Verified
Journal Article
Open access
JNJulian F. Niedermair
Julian F. Niedermair
VAVeronica Antipova
Veronica Antipova
SMSimone Manhal
Simone Manhal
MSMartin Siwetz
Martin Siwetz
MWMonika Wimmer‐Röll
Monika Wimmer‐Röll
FFFranz A. Fellner
Franz A. Fellner
Technological approaches deploying three‐dimensional visualization to integrate virtual anatomy are increasingly used to provide medical students with state‐of‐the‐art teaching. It is unclear to date to which extent virtual anatomy may help replace the dissection course. Medical students of Johannes Kepler University attend both a dissection and a virtual anatomy course. This virtual anatomy course is based on Cinematic Rendering and radiological imaging and teaches anatomy and pathology. This study aims to substantiate student benefits achieved from this merged teaching approach. Following their dissection course, 120 second‐year students took part in objective structured practical examinations (OSPE) conducted on human specimens prior to and following a course on Cinematic Rendering virtual anatomy. Likert‐based and open‐ended surveys were conducted to evaluate student perceptions of both courses and their utility. Virtual anatomy teaching was found to be unrelated to improvements in student's ability to identify anatomical structures in anatomical prosections, yielding only a 1.5% increase in the OSPE score. While the students rated the dissection course as being more important and impactful, the virtual anatomy course helped them display the learning content in a more comprehensible and clinically applicable way. It is likely that Cinematic Rendering‐based virtual anatomy affects knowledge gain in domains other than the recognition of anatomical structures in anatomical prosections. These findings underline students' preference for the pedagogic strategy of the dissection course and for blending this classical approach with novel developments like Cinematic Rendering, thus preparing future doctors for their clinical work.

1 February 2021 in The American Journal of Cardiology
Verified
Journal Article
Closed access
JMJulian Maier
Julian Maier
HBHermann Blessberger
Hermann Blessberger
ANAlexander Nahler
Alexander Nahler
DHDenis Hrncic
Denis Hrncic
AFAlexander Fellner
Alexander Fellner
CSClemens Steinwender
Clemens Steinwender

1 April 2020 in Radiology Case Reports
Verified
Journal Article
Open access
BHBenedikt Hergan
Benedikt Hergan
FFFranz A. Fellner
Franz A. Fellner
KAKaveh Akbari
Kaveh Akbari
A triad of seminal vesical cyst, ipsilateral renal agenesis and ipsilateral ejaculatory duct obstruction is known as Zinner Syndrome. First described in 1914, only about 200 cases have been reported in literature. Usually it stays undiagnosed until the second to third decade of life due to lack of symptoms or nonspecific symptoms such as lower urinary tract symptoms, dysuria or painful ejaculation. In this report we present the case of a 22-year-old patient with a Zinner syndrome as an incidental finding and underlie a review of literature to show the main clinical and imaging implications.

1 February 2018 in Journal of Cardiovascular Magnetic Resonance
Verified
Journal Article
Open access
PDF file
DKDaniel Kiblboeck
Daniel Kiblboeck
CRChristian Reiter
Christian Reiter
JKJürgen Kammler
Jürgen Kammler
PSPierre Schmit
Pierre Schmit
HBHermann Blessberger
Hermann Blessberger
CSClemens Steinwender
Clemens Steinwender
There are limited data on patients with leadless cardiac pacemakers (LCP) undergoing magnetic resonance imaging. The aim of this prospective, single-center, observational study was to evaluate artefacts on cardiovascular magnetic resonance (CMR) images in patients with LCP. Fifteen patients with Micra™ LCP, implanted at least 6 weeks prior to CMR scan, were enrolled and underwent either 1.5 Tesla or 3 Tesla CMR imaging. Artefacts were categorized into grade 1 (excellent image quality), grade 2 (good), grade 3 (poor) and grade 4 (non-diagnostic) for each myocardial segment. One patient was excluded because of an incomplete CMR investigation due to claustrophobia. LCP caused an arc-shaped artefact (0.99 ± 0.16 cm2) at the right ventricular (RV) apex. Of 224 analyzed myocardial segments of the left ventricle (LV) 158 (70.5%) were affected by grade 1, 27 (12.1%) by grade 2, 17 (7.6%) by grade 3 and 22 (9.8%) by grade 4 artefacts. The artefact burden of grade 3 and 4 artefacts was significantly higher in the 3 Tesla group (3 Tesla vs 1.5 Tesla: 3.7 ± 1.6 vs 1.9 ± 1.4 myocardial segments per patient, p = 0.03). A high artefact burden was particularly observed in the mid anteroseptal, inferoseptal and apical septal myocardial segments of the LV and in the mid and apical segments of the RV. Quantification of LV function and assessment of valves were feasible in all patients. We did not observe any clinical or device-related adverse events. CMR imaging in patients with LCP is feasible with excellent to good image quality in the majority of LV segments. The artefact burden is comparable small allowing an accurate evaluation of LV function, cardiac structures and valves. However, artefacts in the mid anteroseptal, inferoseptal and apical septal myocardial segments of the LV due to the LCP may impair or even exclude diagnostic evaluation of these segments. Artefacts on CMR images may be reduced by the use of 1.5 Tesla CMR scanners.

1 July 2003 in Radiology
Verified
Journal Article
Closed access
FFFranz A. Fellner
Franz A. Fellner
MRMartin Requardt
Martin Requardt
WLWerner Lang
Werner Lang
CFClaudia Fellner
Claudia Fellner
WBWerner Bautz
Werner Bautz
ACAlexander Cavallaro
Alexander Cavallaro
At magnetic resonance (MR) angiography with conventional phased-array coils, visualization of the vascular tree from the infrarenal aorta to the pedal arch is not possible in most patients. For this purpose, the authors developed a dedicated adapter with a large field of view that allows coverage of a body length of approximately 1,380 mm. Among five patients with peripheral arteriosclerotic disease, four underwent both conventional angiography and MR angiography. One hundred fourteen vascular segments from the infrarenal aorta to the feet were evaluated. Agreement between findings at conventional angiography and those at MR angiography was 94.7% (108 of 114) for all segments (96.1% [25 of 26] in the abdomen or pelvis, 97.5% [39 of 40] in the thigh, and 91.7% [44 of 48] in the calf or foot).